4440254440 has 32 divisors (see below), whose sum is σ = 10015773480. Its totient is φ = 1771621632.

The previous prime is 4440254407. The next prime is 4440254459. The reversal of 4440254440 is 444520444.

It can be written as a sum of positive squares in 4 ways, for example, as 4363130916 + 77123524 = 66054^2 + 8782^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123927 + ... + 155686.

Almost surely, 2^4440254440 is an apocalyptic number.

4440254440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4440254440 is an abundant number, since it is smaller than the sum of its proper divisors (5575519040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4440254440 is a wasteful number, since it uses less digits than its factorization.

4440254440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280021 (or 280017 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 31.

The square root of 4440254440 is about 66635.2342233446. The cubic root of 4440254440 is about 1643.6245484599.

Adding to 4440254440 its reverse (444520444), we get a palindrome (4884774884).

The spelling of 4440254440 in words is "four billion, four hundred forty million, two hundred fifty-four thousand, four hundred forty".